OPERA TION

Brakes

• Condition brake drums. With brakes released, look for a noticeable gap between lining and drum. (This check cannot made dust covers are place.)

• Condition brake hoses: check for any

• Check brake chamber mounting bolts and brackets.

• Check slack adjusters and chamber push rod travel. With brakes applied released, look for conspicuously dif ferent positions the slack adjusters.

• Check spring

Step Rear V ehicle Area

Frame Area

• Frame cross members not bent, cracked otherwise damaged missing.

• Check that air tubing and electrical lines are properly secured the frame with damage chafing.

Lights and Reflectors

• T ail lights, brake lights and turn signal lights: operating, clean and proper color .

Step Coupling System Area

Fifth Wheel

• Securely mounted the frame.

• missing damaged

• Check that trunnion and plate are properly lubricated.

Sliding Fifth Wheel

• Mechanism not damaged parts

• Properly lubricated.

• All locking pins present and locked

• air operated: air leaks.

Air T ubing and Electric Lines V isible From This Point

• Should secure from dangling.

• Both air lines and electric line should free from oil and Step Left Saddle T ank and Left Rear V ehicle Wheels Area

Dual Wheels, One T Axles

• Check condition wheels and rims. Especially look for cracks, missing lockrings, bent broken spacers, studs, clamps lugs.

• Check condition tires: properly serious tread wear any signs misalignment; valve stems not touching rims brake drums; valve caps place and objects stuck between the

• Check that both tires are same type, for example, not mixed radial and bias type and that their circumferences are matched.

• Check wheel bearing and hub: obvious leaking outside inside

Suspension

• Check condition springs (leaf air), spring hangers, shackles and Ubolts, cracks, breaks shifting.

Brakes

• Condition brake With brakes look for a noticeable gap between lining and (This check cannot made dust covers are

• Condition brake hoses: check for any chafing.

• Check brake chamber mounting bolts and

• Check slack adjusters and chamber push rod travel. With brakes applied released, look for conspicuously dif ferent positions the slack adjusters.

• Check spring brakes.

Condition V isible Components

• T ransmission: not

• Drive shaft: looks OK.

• Exhaust system: not not touching fuel air https://www.truck-manuals.net/

• Frame and cross members: bends, cracks breaks.

• Air tubing and electrical wiring: secured against snagging and Left Fuel T ank(s)

• Securely mounted and not damaged leaking.

• Fuel lines secure and not leaking. Check that shut - f valves are open.

• T ank(s) full Cap and Battery Area

• Open the battery Battery box securely mounted

• Batteries secured against movement.

• Battery cases not broken Battery cables free from the Cab

• T ops batteries and terminals clean and free from foreign material.

• equipped, replace battery lid and make sure securely fastened.

• Check steps and grab handles for looseness clean them there any substance that makes them slippery , which makes cab entry/exit

• Start the engine. equipped, check that exhaust rain cap opens when accelerating engine.

• Check gauges and tell - tale light See the Instruments and Controls

• Check function low air warning.

• Check clutch check for clutch brake

• Check windshield wipers and washers and including back -

• Clean inside windshield, door windows and instruments. Clean mirrors.

• Check temperature control and defroster check mirror heater

• Check condition warning triangles, fire extinguisher and flares.

• Adjust the Check mirror

• Check safety belts for function and damage.

• Apply service After initial pressure should hold steady , increase slightly , with engine

• Check steering wheel for excessive free play .

• Check for loose items the cab. Secure them necessary .

Hooking T o T railer

Hook - Preparation

• Check kingpin and mounting plate trailer , free from wear , bends

• Chock trailer wheels.

Fifth Wheel T railer Hitch

• visible space between fifth wheel and trailer

• Locking jaws around the shank and not the head kingpin.

• Release lever properly seated and safety latch/lock

• Check all connections dolly trailer hitch and safety chains are secured.

• Check function trailer air supply valve and trailer brakes.

Sliding Fifth Wheel

• Check that fifth wheel not far forward that the tractor frame will strike the landing gear during

Note: Refer the trailer manufacturer ’ s manual for specific information the trailer

Step T railer Front Area

Air and Electrical Connections

• Glad hands properly mounted, free from damage and not leaking.

• T railer cord receptacle properly free damage; plug properly seated and safety catch engaged prevent accidental

• Air and electrical lines properly secured against tangling, snagging and chafing with suf ficient slack for turns.